package com.ruoyi.framework.config;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;

import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;

/**
 * 程序注解配置
 *
 * @author ruoyi
 */
@Configuration
// 表示通过aop框架暴露该代理对象,AopContext能够访问
@EnableAspectJAutoProxy(exposeProxy = true)
// 指定要扫描的Mapper类的包的路径
@MapperScan("com.ruoyi.**.mapper")
public class ApplicationConfig {
    private static final String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";

    /**
     * 时区配置
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer jacksonObjectMapperCustomization() {

        return builder -> {
            JavaTimeModule module = new JavaTimeModule();
            LocalDateTimeDeserializer localDateTimeDeserializer = new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DATE_TIME_PATTERN));
            LocalDateTimeSerializer localDateTimeSerializer = new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DATE_TIME_PATTERN));
            module.addDeserializer(LocalDateTime.class, localDateTimeDeserializer);
            module.addSerializer(LocalDateTime.class, localDateTimeSerializer);

            // 将Long类型转换成String类型，避免前端精度丢失
            module.addSerializer(Long.class, ToStringSerializer.instance);
            module.addSerializer(Long.TYPE, ToStringSerializer.instance);
            builder.modules(module);
            builder.timeZone(TimeZone.getDefault());
        };
    }
}
